wsdisplayvar.h revision 1.57 1 /* $NetBSD: wsdisplayvar.h,v 1.57 2023/03/01 08:42:33 riastradh Exp $ */
2
3 /*
4 * Copyright (c) 1996, 1997 Christopher G. Demetriou. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Christopher G. Demetriou
17 * for the NetBSD Project.
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #ifndef _DEV_WSCONS_WSDISPLAYVAR_H
34 #define _DEV_WSCONS_WSDISPLAYVAR_H
35
36 #include <sys/device.h>
37
38 /*
39 * WSDISPLAY interfaces
40 */
41
42 /*
43 * Emulation functions, for displays that can support glass-tty terminal
44 * emulations. These are character oriented, with row and column
45 * numbers starting at zero in the upper left hand corner of the
46 * screen.
47 *
48 * These are used only when emulating a terminal. Therefore, displays
49 * drivers which cannot emulate terminals do not have to provide them.
50 *
51 * There is a "void *" cookie provided by the display driver associated
52 * with these functions, which is passed to them when they are invoked.
53 */
54 struct wsdisplay_emulops {
55 void (*cursor)(void *, int, int, int);
56 int (*mapchar)(void *, int, unsigned int *);
57 void (*putchar)(void *, int, int, u_int, long);
58 void (*copycols)(void *, int, int, int, int);
59 void (*erasecols)(void *, int, int, int, long);
60 void (*copyrows)(void *, int, int, int);
61 void (*eraserows)(void *, int, int, long);
62 int (*allocattr)(void *, int, int, int, long *);
63 /* fg / bg values. Made identical to ANSI terminal color codes. */
64 #define WSCOL_BLACK 0
65 #define WSCOL_RED 1
66 #define WSCOL_GREEN 2
67 #define WSCOL_BROWN 3
68 #define WSCOL_BLUE 4
69 #define WSCOL_MAGENTA 5
70 #define WSCOL_CYAN 6
71 #define WSCOL_WHITE 7
72 #define WSCOL_LIGHT_GREY (WSCOL_BLACK+8)
73 #define WSCOL_LIGHT_RED (WSCOL_RED+8)
74 #define WSCOL_LIGHT_GREEN (WSCOL_GREEN+8)
75 #define WSCOL_LIGHT_BROWN (WSCOL_BROWN+8)
76 #define WSCOL_LIGHT_BLUE (WSCOL_BLUE+8)
77 #define WSCOL_LIGHT_MAGENTA (WSCOL_MAGENTA+8)
78 #define WSCOL_LIGHT_CYAN (WSCOL_CYAN+8)
79 #define WSCOL_LIGHT_WHITE (WSCOL_WHITE+8)
80 /* flag values: */
81 #define WSATTR_REVERSE 1
82 #define WSATTR_HILIT 2
83 #define WSATTR_BLINK 4
84 #define WSATTR_UNDERLINE 8
85 #define WSATTR_WSCOLORS 16
86 #define WSATTR_USERMASK 0x0fff
87 /* private flags used by the driver */
88 #define WSATTR_PRIVATE1 4096
89 #define WSATTR_PRIVATE2 8192
90 #define WSATTR_PRIVATE3 16384
91 #define WSATTR_PRIVATE4 32768
92 /* XXX need a free_attr() ??? */
93 void (*replaceattr)(void *, long, long);
94 };
95
96 struct wsscreen_descr {
97 const char *name;
98 int ncols, nrows;
99 const struct wsdisplay_emulops *textops;
100 int fontwidth, fontheight;
101 int capabilities;
102 #define WSSCREEN_WSCOLORS 1 /* minimal color capability */
103 #define WSSCREEN_REVERSE 2 /* can display reversed */
104 #define WSSCREEN_HILIT 4 /* can highlight (however) */
105 #define WSSCREEN_BLINK 8 /* can blink */
106 #define WSSCREEN_UNDERLINE 16 /* can underline */
107 #define WSSCREEN_RESIZE 32 /* can resize */
108 #define WSSCREEN_FREE 64 /* free() this struct when deleting
109 * internal only, do not set */
110 void *modecookie;
111 };
112
113 struct wsdisplay_font;
114 struct wsdisplay_char;
115 /*
116 * Display access functions, invoked by user-land programs which require
117 * direct device access, such as X11.
118 *
119 * There is a "void *" cookie provided by the display driver associated
120 * with these functions, which is passed to them when they are invoked.
121 */
122 struct wsdisplay_accessops {
123 int (*ioctl)(void *, void *, u_long, void *, int, struct lwp *);
124 paddr_t (*mmap)(void *, void *, off_t, int);
125 int (*alloc_screen)(void *, const struct wsscreen_descr *,
126 void **, int *, int *, long *);
127 void (*free_screen)(void *, void *);
128 int (*show_screen)(void *, void *, int,
129 void (*)(void *, int, int), void *);
130 int (*load_font)(void *, void *, struct wsdisplay_font *);
131 void (*pollc)(void *, int);
132 void (*scroll)(void *, void *, int);
133 };
134
135 /*
136 * Attachment information provided by wsdisplaydev devices when attaching
137 * wsdisplay units.
138 */
139 struct wsdisplaydev_attach_args {
140 const struct wsdisplay_accessops *accessops; /* access ops */
141 void *accesscookie; /* access cookie */
142 };
143
144 /* passed to wscons by the video driver to tell about its capabilities */
145 struct wsscreen_list {
146 int nscreens;
147 const struct wsscreen_descr **screens;
148 };
149
150 /*
151 * Attachment information provided by wsemuldisplaydev devices when attaching
152 * wsdisplay units.
153 */
154 struct wsemuldisplaydev_attach_args {
155 int console; /* is it console? */
156 const struct wsscreen_list *scrdata; /* screen cfg info */
157 const struct wsdisplay_accessops *accessops; /* access ops */
158 void *accesscookie; /* access cookie */
159 };
160
161 struct wscons_syncops {
162 int (*detach)(void *, int, void (*)(void *, int, int), void *);
163 int (*attach)(void *, int, void (*)(void *, int, int), void *);
164 int (*check)(void *);
165 void (*destroy)(void *);
166 };
167
168 /*
169 * Autoconfiguration helper functions.
170 */
171 void wsdisplay_cnattach(const struct wsscreen_descr *, void *, int, int,
172 long);
173 void wsdisplay_preattach(const struct wsscreen_descr *, void *, int, int,
174 long);
175 void wsdisplay_predetach(void);
176 void wsdisplay_cndetach(void);
177 void wsdisplay_multicons_suspend(bool);
178
179 int wsdisplaydevprint(void *, const char *);
180 int wsemuldisplaydevprint(void *, const char *);
181
182 int wsdisplay_handlex(int);
183
184 /*
185 * Console interface.
186 */
187 void wsdisplay_cnputc(dev_t, int);
188
189 /*
190 * for use by compatibility code
191 */
192 struct wsdisplay_softc;
193 struct wsscreen;
194 int wsscreen_attach_sync(struct wsscreen *,
195 const struct wscons_syncops *, void *);
196 int wsscreen_detach_sync(struct wsscreen *);
197 int wsscreen_lookup_sync(struct wsscreen *,
198 const struct wscons_syncops *, void **);
199
200 int wsdisplay_maxscreenidx(struct wsdisplay_softc *);
201 int wsdisplay_screenstate(struct wsdisplay_softc *, int);
202 int wsdisplay_getactivescreen(struct wsdisplay_softc *);
203 int wsscreen_switchwait(struct wsdisplay_softc *, int);
204
205 int wsdisplay_internal_ioctl(struct wsdisplay_softc *, struct wsscreen *,
206 u_long, void *, int, struct lwp *);
207
208 int wsdisplay_usl_ioctl1(device_t, u_long, void *, int, struct lwp *);
209
210 int wsdisplay_usl_ioctl2(struct wsdisplay_softc *, struct wsscreen *,
211 u_long, void *, int, struct lwp *);
212
213 int wsdisplay_stat_ioctl(struct wsdisplay_softc *, u_long, void *,
214 int, struct lwp *);
215
216 int wsdisplay_cfg_ioctl(struct wsdisplay_softc *, u_long, void *,
217 int, struct lwp *);
218
219 bool wsdisplay_isconsole(struct wsdisplay_softc *);
220
221 struct wsdisplayio_edid_info;
222 int wsdisplayio_get_edid(device_t, struct wsdisplayio_edid_info *);
223
224 struct wsdisplayio_fbinfo;
225 struct rasops_info;
226 int wsdisplayio_get_fbinfo(struct rasops_info *, struct wsdisplayio_fbinfo *);
227
228 #ifdef WSDISPLAY_SCROLLSUPPORT
229 void wsdisplay_scroll(void *, int);
230 #endif
231
232 #define WSDISPLAY_SCROLL_BACKWARD 1
233 #define WSDISPLAY_SCROLL_FORWARD (1 << 1)
234 #define WSDISPLAY_SCROLL_RESET (1 << 2)
235 #define WSDISPLAY_SCROLL_LOW (1 << 3)
236
237 int wsdisplay_stat_inject(device_t, u_int, int);
238
239 /*
240 * for general use
241 */
242 #define WSDISPLAY_NULLSCREEN -1
243 const struct wsscreen_descr *wsdisplay_screentype_pick(
244 const struct wsscreen_list *, const char *);
245
246 #if defined(_KERNEL)
247 # if defined(_KERNEL_OPT)
248 # include "opt_wsmsgattrs.h"
249 # endif
250 # if !defined(WS_DEFAULT_FG)
251 # define WS_DEFAULT_FG WSCOL_WHITE
252 # endif
253 # if !defined(WS_DEFAULT_BG)
254 # define WS_DEFAULT_BG WSCOL_BLACK
255 # endif
256 # if !defined(WS_DEFAULT_COLATTR)
257 # define WS_DEFAULT_COLATTR 0
258 # endif
259 # if !defined(WS_DEFAULT_MONOATTR)
260 # define WS_DEFAULT_MONOATTR 0
261 # endif
262 # if defined(WS_KERNEL_FG) || defined(WS_KERNEL_BG) || \
263 defined(WS_KERNEL_COLATTR) || defined(WS_KERNEL_MONOATTR)
264 # define WS_KERNEL_CUSTOMIZED
265 # else
266 # undef WS_KERNEL_CUSTOMIZED
267 # endif
268 # if !defined(WS_KERNEL_FG)
269 # define WS_KERNEL_FG WS_DEFAULT_FG
270 # endif
271 # if !defined(WS_KERNEL_BG)
272 # define WS_KERNEL_BG WS_DEFAULT_BG
273 # endif
274 # if !defined(WS_KERNEL_COLATTR)
275 # define WS_KERNEL_COLATTR WS_DEFAULT_COLATTR
276 # endif
277 # if !defined(WS_KERNEL_MONOATTR)
278 # define WS_KERNEL_MONOATTR WS_DEFAULT_MONOATTR
279 # endif
280 # if !defined(WSDISPLAY_BORDER_COLOR)
281 # define WSDISPLAY_BORDER_COLOR WS_DEFAULT_BG
282 # endif
283 #endif /* _KERNEL */
284
285 #endif /* !_DEV_WSCONS_WSDISPLAYVAR_H */
286